Square Tube
Standard: 
ASTM A500 Grade B,
ASTM A513 (1020-1026)
ASTM A36 (A36)
EN 10210:S235,S355,S235JRH,
S355J2H,S355NH
EN 10219:S235,S355,S235JRH,
S275J0H, S275J2H, S355J0H, S355J2H
Surface conditions:
Hot rolled
Cold rolled
Ms Square tube sizes（It can be customized according to customer requirements）
| Size by Inch (diameter) |
Thickness |
Sizes by MM (diameter) |
Thickness |
|
inch |
inch |
mm | mm |
|
1/2" x 1/2" |
0.065" |
16mm×16mm |
0.4mm～1.5mm |
|
3/4" x 3/4" |
0.049" |
18mm×18mm |
0.4mm～1.5mm |
|
0.065" |
20mm×20mm |
0.4mm～3mm |
|
|
0.083" |
22mm×22mm |
0.4mm～3mm |
|
|
0.120" |
25mm×25mm |
0.6mm～3mm |
|
|
1" x 1" |
0.049" |
30mm×30mm |
0.6mm～4mm |
|
0.058" |
32mm×32mm |
0.6mm～4mm |
|
|
0.065" |
34mm×34mm |
1mm～2mm |
|
|
0.072" |
35mm×35mm |
1mm～4mm |
|
|
0.083" |
38mm×38mm |
1mm～4mm |
|
|
0.095" |
40mm×40mm |
1mm～4.5mm |
|
|
0.109" |
44mm×44mm |
1mm～4.5mm |
|
|
0.120" |
45mm×45mm |
1mm～5mm |
|
|
1 1/8" x 1 1/8" |
0.035" |
50mm×50mm |
1mm～5mm |
|
0.049" |
52mm×52mm |
1mm～5mm |
|
|
0.065" |
60mm×60mm |
1mm～5mm |
|
|
0.109" |
70mm×70mm |
2mm～6mm |
|
|
0.120" |
75mm×75mm |
2mm～6mm |
|
|
1 1/4" x 1 1/4" |
0.049" |
76mm×76mm |
2mm～6mm |
|
0.065" |
80mm×80mm |
2mm～8mm |
|
|
0.072" |
85mm×85mm |
2mm～8mm |
|
|
0.083" |
90mm×90mm |
2mm～8mm |
|
|
0.109" |
95mm×95mm |
2mm～8mm |
|
|
0.120" |
100mm×100mm |
2mm～8mm |
|
|
0.135" |
120mm×120mm |
4mm～8mm |
|
|
0.156" |
125mm×125mm |
4mm～8mm |
|
|
0.188" |
130mm×130mm |
4mm～8mm |
|
|
1 1/2" x 1 1/2" |
0.049" |
140mm×140mm |
6mm～10mm |
|
0.065" |
150mm×150mm |
6mm～10mm |
|
|
0.072" |
160mm×160mm |
6mm～10mm |
|
|
0.083" |
180mm×180mm |
6mm～12mm |
|
|
0.109" |
200mm×200mm |
6mm～30mm |
|
|
0.120" |
220mm×220mm |
6mm～30mm |
|
|
0.140" |
250mm×250mm |
6mm～30mm |
|
| 0.188" |
270mm×270mm |
6mm～30mm |
|
| 0.250" |
280mm×280mm |
6mm～30mm |
|
|
1 3/4" x 1 3/4" |
0.065" |
300mm×300mm |
8mm～30mm |
| 0.083" |
320mm×320mm |
8mm～30mm |
|
| 0.095" |
350mm×350mm |
8mm～30mm |
|
| 0.109" |
380mm×380mm |
8mm～30mm |
|
| 0.120" |
400mm×400mm |
8mm～30mm |
|
| 0.188" |
420mm×420mm |
10mm～30mm |
|
| 2" x 2" |
0.049" |
450mm×450mm |
10mm～30mm |
| 0.065" |
480mm×480mm |
10mm～30mm |
|
|
0.083" |
500mm×500mm |
10mm～30mm |
|
| 0.109" |
550mm×550mm |
10mm～40mm |
|
| 0.120" |
600mm×600mm |
10mm～40mm |
|
| 0.145" |
700mm×700mm |
10mm～40mm |
|
| 0.165" |
800mm×800mm |
10mm～50mm |
|
|
0.188" |
900mm×900mm |
10mm～50mm |
|
| 0.250" |
1000mm×1000mm |
10mm～50mm |
|
| 0.312" |
|
|
|
|
2 1/4" x 2 1/4" |
0.188" |
|
|
| 0.250" |
|
|
|
|
2 1/2" x 2 1/2" |
0.083" |
|
|
| 0.109" |
|
|
|
| 0.120" |
|
|
|
|
0.188" |
|
|
|
| 0.250" |
|
|
|
| 0.312" |
|
|
|
3" x 3" |
0.083" |
|
0.120" |
|
|
0.188" |
|
|
0.250" |
|
|
0.312" |
|
| 0.375" | |
| 3 1/2" x 3 1/2" |
0.120" |
|
0.188" |
|
|
0.250" |
|
|
0.312" |
|
|
0.375" |
|
| 4" x 4" |
0.083" |
| 0.120" | |
| 0.156" | |
| 0.188" | |
|
0.250" |
|
|
0.312" |
|
|
0.375" |
|
|
0.500" |
| 4 1/2" x 4 1/2" |
0.188" |
|
0.250" |
|
|
0.312" |
|
|
0.375" |
|
| 5" x 5" |
0.188" |
|
0.250" |
|
|
0.312" |
|
|
0.375" |
|
|
0.500" |
|
|
6" x 6" |
0.188" |
|
0.250" |
|
|
0.312" |
|
|
0.375" |
|
|
0.500" |
|
|
0.625" |
|
|
7" x 7" |
0.188" |
|
0.250" |
|
|
0.312" |
|
|
0.375" |
|
|
0.500" |
|
|
0.625" |
|
8" x 8" |
0.188" |
|
0.250" |
|
|
0.312" |
|
|
0.375" |
|
|
0.500" |
|
|
0.625" |
|
|
9" x 9" |
0.188" |
|
0.250" |
|
|
0.312" |
|
|
0.375" |
|
|
0.500" |
|
|
0.625" |
|
|
10" x 10" |
0.188" |
|
0.250" |
|
|
0.312" |
|
|
0.375" |
|
|
0.500" |
|
|
0.625" |
|
|
12" x 12" |
0.250" |
|
0.312" |
|
|
0.375" |
|
|
0.500" |
|
|
0.625" |
|
|
14" x 14" |
0.312" |
|
0.375" |
|
|
0.500" |
|
|
0.625" |
|
|
16" x 16" |
0.312" |
|
0.375" |
|
|
0.500" |
|
|
0.625" |
Chemical composition of material
| Grade |
element |
C | Mn | P | S |
| ASTM A500 Gr.b | % | 0.05%-0.23% | 0.3%-0.6% | 0.04% | 0.04% |
| Acc.to EN10027/1 | Acc.to EN10027/2 | C% max (Norminal W.T.(mm) | Si% max | Mn% max | P% max | S% max | N% max | |
|
and IC 10 |
|
≤ 40 |
|
|||||
| S235JRH | 1.0039 | 0.17 | 0.20 | - | 1.40 | 0.045 | 0.045 | 0.009 |
| S275JOH | 1.0149 | 0.20 | 0.22 | - | 1.50 | 0.040 | 0.040 | 0.009 |
| S275J2H | 1.0138 | 0.20 | 0.22 | - | 1.50 | 0.035 | 0.035 | - |
| S355JOH | 1.0547 | 0.22 | 0.22 | 0.55 | 1.60 | 0.040 | 0.040 | 0.009 |
| S355J2H | 1.0576 | 0.22 | 0.22 | 0.55 | 1.60 | 0.035 | 0.035 | - |
Mechanical properties of material
| Grade |
Yield Strength |
Tensile Strength |
Elongation |
|
A500.Gr.b |
46 ksi | 58 ksi | 23% |
| A513.GR.B | 72 ksi | 87 ksi | 10% |
| Norm | Yield Strength | Tensile Strength | Min.elogation | Min.percent properties | ||||||||
|
Acc.to EN10027/1 and IC 10
|
Acc.to EN10027/2 | Norminal W.T.mm | Norminal W.T.mm | Longit. | Cross | Test temperature°C | Average min.impact value | |||||
|
≤16 |
>6 |
>40 |
<3 |
≤3≤65 |
Norminal W.T.mm |
|||||||
|
≤65 |
≤65 |
≤40 |
>40 |
>40 |
≤65 |
|||||||
|
≤65 |
≤40 |
|||||||||||
| S253JRH | 1.0039 | 235 | 225 | 215 | 360-510 | 340-470 | 26 | 25 | 24 | 23 | 20 | 27 |
| S275JOH | 1.0149 | 275 | 265 | 255 | 410-580 | 410-560 | 22 | 21 | 20 | 19 | 0 | 27 |
| S275J2H | 1.0138 | 275 | 265 | 255 | 430-560 | 410-560 | 22 | 21 | 20 | 19 | -20 | 27 |
|
S355JOH |
1.0547 | 355 | 345 | 335 | 510-680 | 490-630 | 22 | 21 | 20 | 19 | 0 | 27 |
| S355J2H | 1.0576 | 355 | 345 | 335 | 510-680 | 490-630 | 22 | 21 | 20 | 19 | -20 | 27 |
Equivalent specfications
|
EN 10210-1 |
NF A 49501 NF A 35501 |
DIN 17100 DIN 17123/4/5 |
BS 4360 |
UNI 7806 |
| S235JRH | E 24-2 | St 37.2 | – | Fe 360 B |
| S275JOH | E 28-3 | St 44.3 U | 43 C | Fe 430 C |
| S275J2H | E 28-4 | St 44.3 N | 43 D | Fe 430 D |
| S355JOH | E 36-3 | St 52.3 U | 50 C | Fe 510 C |
| S355J2H | E 36-4 | St 52.3 N | 50 D | Fe 510 D |
| S275NH | – | St E 285 N | – | – |
| S275NLH | – | TSt E 285 N | 43 EE | – |
| S355NH | E 355 R | St E 355 N | – | – |
| S355NLH | – | TSt E 355 N | 50 EE | – |
| S460NH | E 460 R | St E 460 N | – | – |
| S460NLH | – | TSt E 460 N | 55 EE | – |
– block letter "S" means "STEEL FOR STRUCTURAL APPLICATIONS"
– the next fi gure means the minim. yield value required for wall thickness ≤16 mm
– "J2" means impact test value -20° C min. 27 joule
– block letter "H" means "HOLLOW SECTION".
